Skunk2 Toyota Supra MK5 / BMW B58/S58 High Lift Valve Spring & Titanium Retainer Set (313-14-1000) 1116 Innovation not Imitation is mission

Innovation not Imitation is mission critical at Fabspeed USA

also known as the shuttle valve

The Prepreg carbon fiber airbox lid has been recreated using the same dimensions as the OEM version

VIS Racing Carbon Fiber Hood 00AUTT2DGTH-010C

Skunk2 Toyota Supra MK5 / BMW B58/S58 High Lift Valve Spring & Titanium Retainer Set (313-14-1000) 1116 Innovation not Imitation is missionThough Ultra Stage1 cams are compatible with stock OEM valve springs, we recommend the use of Skunk2 upgraded High Lift Valve Springs along with Titanium Retainers (PN: 313 14 1000) for the B58 as long term durability using stock valve springs is unknown. All Skunk2 valve springs control are made from super clean high tensile strength chrome silicone wire, shot peen stress relieved, and heat treated to provide consistent and reliable long term